Re: [R] Expand duplicated observations

From: Jared O'Connell <jared.oconnell_at_csiro.au>
Date: Wed, 06 Jun 2007 10:00:54 +0800

oh dear...I forgot about 0! :(

On 6/6/07, Jared O'Connell <jared.oconnell_at_csiro.au> wrote:
>
> Also, to handle NAs and non-integers:
>
> > x = c(1:3,9.4,NA)
> > tmp = round(x)
> > tmp[is.na(tmp)]=1
> > rep(x,tmp)
> [1] 1.0 2.0 2.0 3.0 3.0 3.0 9.4 9.4 9.4 9.4 9.4 9.4 9.4 9.4 9.4 NA
>
>
> On 6/6/07, Francisco J. Zagmutt <gerifalte28_at_hotmail.com> wrote:
> >
> > I think this will do what you want
> >
> > x=c(1,2,3)
> > rep(x,x)
> > [1] 1 2 2 3 3 3
> >
> > Regards
> >
> > Francisco
> >
> > M. P. Papadatos wrote:
> > > Dear all,
> > >
> > > I am trying to expand duplicated observations. I need to replace each
> >
> > > observation in the dataset with n copies of the observation, where n
> > is
> > > equal to the required expression rounded to the nearest integer. If
> > the
> > > expression is less than 1 or equal to missing, it is interpreted as if
> >
> > > it were 1, and the observation is retained but not duplicated.
> > >
> > > Example
> > >
> > > From
> > > c(1,2,3)
> > >
> > > To
> > > c(1,2,2,3,3,3)
> > >
> > > Thank you in advance.
> > >
> > > Best wishes,
> > > Martin
> > >
> > >
> > >
> > ------------------------------------------------------------------------
> > >
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> > > PLEASE do read the posting guide
> > http://www.R-project.org/posting-guide.html
> > > and provide commented, minimal, self-contained, reproducible code.
> >
> > ______________________________________________
> > R-help_at_stat.math.ethz.ch mailing list
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> > PLEASE do read the posting guide
> > http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
>
>

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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Wed 06 Jun 2007 - 02:42:32 GMT

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